LG AT&T GR500 Service Manual page 169

7. CIRCUIT DIAGRAM
V B A T
A P P _ G P _ F L A S H L E D _ E N
A P P _ G P _ F L A S H L E D _ T O R C H
F L A S H L E D
F L A S H _ O U T
R 8 1 9 C 8 0 6
2 2 . u
1 5 K
C A M E R A
C N 8 0 1
G 1 G 2
1 1 0
2 9
M O T O R _ P
3 8
M O T O R _ N
4 7
F L A S H L E D
5 6
w d i h t 0 2 .
G 3 G 4
1 0 p n i c o n n e c o t f r r o C A M E
E N B Y 0 0 1 8 6 0 ( 1 A X K 7 L 1 0 2 2 7 G ) S O
A P P _ G P _ K E Y E N C O D E _ N I T
A P P _ G P _ K E Y E N C O D E _ S C L _
A P P _ G P _ K E Y E N C O D E _ S D A _
A P P _ G P _ K E Y E N C O D E _ R S T _
A P P _ G P _ K E Y E N C O D E _ R S T _ 2 V 7 5
C 8 2 7
1 u
A P P _ G P _ K E Y E N C O D E _ S D A _ 2 V 7 5
A P P _ G P _ K E Y E N C O D E _ S C L _ 2 V 7 5
A P P _ G P _ K E Y E N C O D E _ N I T _ 2 V 7 5
LGE Internal Use Only
C A M R E A I F /
L M 2 7 5 8 T L U 8 0 1
C 1 B 1
V B A T C 1 +
C 8 0 1
A 1
E N 1 1 u
B 3 C N 8 0 0
E N 2
G 1 G 2
A 3 D 2
S I E T C - 1
1 2 4
D 3 C 2 2 2 3
P G N D C 2 + C _ I D A T A [ ] 7
A 2 3 2 2
S G N D C 8 0 3 C _ I D A T A [ ] 6
4 2 1
1 u C _ I D A T A [ ] 5
C 3 5 2 0
L E D - C _ I D A T A [ ] 4
B 2 D 1 6 1 9
C P O U T C - 2 C _ I D A T A [ ] 3
7 1 8
C _ I D A T A [ ] 2
8 1 7
C 8 0 7 C _ I D A T A [ ] 1
9 1 6
2 2 . u C _ I D A T A [ ] 0
R 8 1 4 4 7 1 0 1 5
C _ I P C L K
1 1 1 4
C _ I R E S n
1 2 1 3
A P P _ G P _ 2 M _ S D N
G 3 G 4
C 8 0 9 C 8 1 0
F L A S H L E D C 8 0 8
1 u D I N D I N
2 M C A M E R A c o n n
w d i h t 0 2 .
2 M _ C O R E _ 1 V 5 V B A T
F L A S H _ O U T
K E Y N I 0
K E Y N I 1
1 5 0 m A
K E Y O U T 0
U 8 0 3 R P 1 0 4 K 1 5 1 D T - R F -
1 4
V O U T V D D
2 3
G N D C E _ N C A P P _ G P _ C A M L D O _ E N
C 8 1 5 C 8 1 6
1 u 1 u
R A F L A S H
C K E T 0 9 . T
S N I G L E L D O f r o 2 M
V D D E _ 1 V 8 V D D H _ 2 V 7 5
A P P _ G P _ K E Y E N C O D E _ R S T
O E A 3 A P P _ G P _ K E Y E N C O D E _ S D A
B 3 A 3
G N D T X S 0 1 0 4 E Z X U R A 2 A P P _ G P _ K E Y E N C O D E _ S C L
B 4 A 2
U 8 0 7
_ 2 V 7 5 B 1 A 1 A P P _ G P _ K E Y E N C O D E _ N I T
C 1 A 1
2 V 7 5
2 V 7 5
2 V 7 5 K E Y E N C O D E L E V E L S H F I T
V D D H _ 2 V 7 5
1 %
1 2 1 R 8 9 9 1 0 0 o h m
0 R 8 3 5 T E S T P 4 0 K E Y _ R O W 0
2 2 0 R 8 9 8 1 0 0 o h m
S E L _ 2 8 P P 4 1 K E Y _ R O W 1
3 1 9 R 8 9 7 1 0 0 o h m
P 5 7 P 4 2 K E Y _ R O W 2
4 1 8 R 8 9 6 1 0 0 o h m
P 5 6 U 8 0 8 P 4 3 K E Y _ R O W 3
5 1 7 R 8 9 5 1 0 0 o h m
P P 2 1 0 6 M 2
0 R 8 3 6 P 5 5 P 4 4 K E Y _ R O W 4
6 1 6 R 8 9 4 1 0 0 o h m
P 1 7 P 4 5 K E Y _ R O W 5
7 1 5 R 8 9 3 1 0 0 o h m
P 1 5 P 4 6 K E Y _ R O W 6
R 8 9 2 1 0 0 o h m
K E Y _ R O W 7
R 8 9 1 1 0 0 o h m
K E Y _ C O L 0
R 8 9 0 1 0 0 o h m
K E Y _ C O L 1
R 8 8 9 1 0 0 o h m
K E Y _ C O L 2
R 8 8 8 1 0 0 o h m
K E Y _ C O L 3
R 8 8 7 1 0 0 o h m
K E Y _ C O L 4
R 8 8 6 1 0 0 o h m
K E Y _ C O L 5
K E Y E N C O D E R C I
A P P _ 2 I C _ S C L
A P P _ 2 I C _ S D A
R 8 0 6 0
C _ I V S Y N C
R 8 0 8 0
C _ I H S Y N C
R 8 1 0 4 7
S Y S C L K 0 M O T O
C 8 1 4
C 8 1 1 C 8 1 2 C 8 1 3
1 u 1 u 2 2 p D I N
e t c r o
V B A T V D D _ C A M _ 2 V 8 V D D _ C A M _ 1 V 8
V B A T
U 8 0 4 R T 9 0 1 - 1 M G P Q W
1 8
R 8 2 5 V N I V O U T 1 R P 1 0 1 K 1 8 2 D
2 7
E N 1 V O U T 2
3 6 4
0 E N 2 N C 2 V D D V
4 5 3
N C 1 G N D V D D G _ 2 V 8 5 C E
C 8 1 7 C 8 1 8
C 8 1 9 1 u 1 u
C 8 2 4
1 u
1 u
L C D L D
D U A L L D O f r o C a m e a r
Q W E
S W 8 0 0 S W 8 0 1 S W 8 0 2
K E Y _ R O W 0
U I O
S W 8 0 6 S W 8 0 7 S W 8 0 8
K E Y _ R O W 1
n f X D
S W 8 1 2 S W 8 1 3 S W 8 1 4
K E Y _ R O W 2
K N M
S W 8 1 8 S W 8 1 9 S W 8 2 0
K E Y _ R O W 3
L d l e A
S W 8 2 4 S W 8 2 5 S W 8 2 6
K E Y _ R O W 4
J y s m S
S W 8 3 0 S W 8 3 1 S W 8 3 2
K E Y _ R O W 5
S p a c e @ c . o m
S W 8 3 6 S W 8 3 7 S W 8 3 8
K E Y _ R O W 6
E t n r e U p D o w n
S W 8 4 2 S W 8 4 3 S W 8 4 4
K E Y _ R O W 7
K E Y _ C O L 0
K E Y _ C O L 1
K E Y _ C O L 2
K E Y _ C O L 3
K E Y _ C O L 4
K E Y _ C O L 5
Q W E R T Y K E Y
- 170 -
V D D _ M O T O R _ 3 V 3 V D D _ M O T O R _ 3 V 3
R 8 2 0
1 5 0 K 1 %
B Y P A S S G N D
C 1 B 2
_ S H U T D O W N V O - M O T O R _ N
B 1 A 1
R 8 2 4 5 1 K
N I + V O + M O T O R _ P
C 2 B 3
1 %
R 8 2 6 5 1 K
R _ P W M N I - V D D
C 3 A 3
1 %
U 8 0 2 T P A 6 2 0 5 A 1 Z Q V R
R 8 2 7
R 8 2 8 1 K
1 %
1 5 0 K 1 %
C 8 2 1
0 0 . 1 u
C 8 2 0
R 8 2 9 1 K 1 u
1 %
i V r b t a r o
V D D _ L C D _ 1 V 8
V B A T
V D D _ M O T O R _ 3 V 3
U 8 0 5
1 5 0 m A
1
O U T
2 R P 1 0 3 K 3 3 1 D U 8 0 6
G N D
C 8 2 3
4 1
1 u V D D V O U T
3 2
A P P _ G P _ M O T O R L D O _ E N C E G N D
C 8 2 5
1 u C 8 2 6
1 u
O
S N I G L E L D O 3 3 . V
R T Y
S W 8 0 3 S W 8 0 4 S W 8 0 5
P M e d a i N t e ?
S W 8 0 9 S W 8 1 0 S W 8 1 1
C V B
S W 8 1 5 S W 8 1 6 S W 8 1 7
,
.
/
S W 8 2 1 S W 8 2 2 S W 8 2 3
F Z G
S W 8 2 7 S W 8 2 8 S W 8 2 9
c a p s H C o n a t c s t
S W 8 3 3 S W 8 3 4 S W 8 3 5
T e t x M s g E m l i a I M
S W 8 3 9 S W 8 4 0 S W 8 4 1
L e t f R g i t h
S W 8 4 5 S W 8 4 6
M A T R X I
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